Fix generated duplicate period with pugClassLocation (#316)

Author: shadowgate15

src/printer.ts

@@ -1088,7 +1088,7 @@ export class PugPrinter {
 							: '';
 					let result: string = `${this.computedIndent}${optionalDiv}`;
 					if (this.options.pugClassLocation === 'after-attributes') {
-						this.classLiteralAfterAttributes.push(val);
+						this.classLiteralAfterAttributes.push(val.slice(1));
 					} else {
 						result += val;
 					}

tests/issues/issue-315/formatted.pug

@@ -0,0 +1,3 @@
+v-row(no-gutters)
+  v-col(cols="12")
+    div(v-t="'global.copy-variables-title'").text-body-2.font-weight-medium

tests/issues/issue-315/issue-315.test.ts

@@ -0,0 +1,19 @@
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+import { format } from 'prettier';
+import { plugin } from './../../../src/index';
+
+describe('Issues', () => {
+	test('should not add double "." when formatting class location', () => {
+		const expected: string = readFileSync(resolve(__dirname, 'formatted.pug'), 'utf8');
+		const code: string = readFileSync(resolve(__dirname, 'unformatted.pug'), 'utf8');
+		const actual: string = format(code, {
+			parser: 'pug',
+			plugins: [plugin],
+
+			pugClassLocation: 'after-attributes'
+		});
+
+		expect(actual).toBe(expected);
+	});
+});

tests/issues/issue-315/unformatted.pug

@@ -0,0 +1,3 @@
+v-row(no-gutters)
+  v-col(cols="12")
+    .text-body-2.font-weight-medium(v-t="'global.copy-variables-title'")